#include<func.h>

int main()
{
    printf("my pid: %d,my ppid : %d\n",getpid(),getppid());

    printf("user id: %d ,group id: %d, eff user id: %d, eff group id:%d\n",\
            getuid(),getgid(),geteuid(),getegid());
    while(1);
    return 0;

}
